Implements a GMail-like auto-complete.
[UPDATED CODE AND HELP CAN BE FOUND HERE]
@REQUIRES
Event-Listener 1
2 //Requires http://www.jsfromhell.com/geral/event-listener
3
4 //+ Jonas Raoni Soares Silva
5 //@ http://jsfromhell.com/dhtml/incremental-search [v1.0]
6
7 IncrementalSearch = function( input, callback, className ){
8 var i, o = ( o = this, o.l = [], o.i = input, o.c = null, o.s = { e: null, i: -1 }, o.f = callback || function(){}, o.n = className || "", o );
9 for( i in { keydown: 0, focus: 0, blur: 0, keyup: 0, keypress: 0 } )
10 addEventListener( o.i, i, function( e ){ o.handler.call( o, e ); } );
11 };
12 with( { p: IncrementalSearch.prototype } ){
13 (p.constructor.fadeAway = function( o ){
14 o instanceof Object ? ( this.trash = this.trash || [] ).push( o ) && setTimeout( this.fadeAway, 200 ) : arguments.callee.c.trash.pop().hide();
15 }).c = p.constructor;
16 p.callEvent = function( e ){ this[e] && this[e].apply( this, [].slice.call( arguments, 1 ) ); };
17 p.highlite = function( e ){ ( this.s.e && ( this.s.e.className = "normal" ), ( this.s = { e: e, i: e.listindex } ).e.className += " highlited", this.callEvent( "onhighlite", this.l[ this.s.i ], this.s.e.d ) ); };
18 p.select = function(){ this.s.i + 1 && ( this.i.value = this.l[ this.s.i ], this.callEvent( "onselect", this.i.value, this.s.e.d ), this.hide() ); };
19 p.hide = function(){ ( this.c && this.c.parentNode.removeChild( this.c ), this.c = null, this.l = [], this.s = { e: null, i: -1 }, this.callEvent( "onhide" ) ); };
20 p.next = function(){ var e = ( e = this.s.e ) ? e.nextSibling || e.parentNode.firstChild : null; e && this.highlite( e ); };
21 p.previous = function(){ var e = ( e = this.s.e ) ? e.previousSibling || e.parentNode.lastChild : null; e && this.highlite( e ); };
22 p.handler = function( evt ){
23 var o = this, t = evt.type, k = evt.key, e = /span/i.test( ( e = evt.target ).tagName ) ? e.parentNode : e;
24 t == "keyup" ? k != 40 && k != 38 && k != 13 && o.show()
25 : t == "keydown" ? ( k == 40 && o.next() ) || ( k == 38 && o.previous() )
26 : t == "keypress" ? k == 13 && !evt.preventDefault() && o.select()
27 : t == "blur" ? o.constructor.fadeAway( o )
28 : t == "click" ? o.select()
29 : t == "focus" ? o.show()
30 : o.highlite( e );
31 };
32 p.show = function(){
33 var cS, found = 0, o = this, i = o.i, iV = i.value, d = document, c = ( o.hide(), o.c = d.body.appendChild( d.createElement( "div" ) ) );
34 ( c.className = o.n, cS = c.style, cS.display = "none", cS.position = "absolute", o.callEvent( "onshow" ) );
35 o.f.call( function( s, x, data ){
36 if( !( x.length == undefined ? ( x = [x] ) : x ).length )
37 return;
38 var j, l = 0, i = o.l.length, e = c.appendChild( d.createElement( "div" ) );
39 for( j in ( o.l[i] = s, e.className = "normal", e.d = data, e.listindex = i, !found && i == o.s.i && ++found && o.highlite( e ), x ) )
40 e.appendChild( d.createTextNode( s.substring( l, x[j] ) ) ).parentNode.appendChild( d.createElement( "span" ) ).appendChild( d.createTextNode( s.substring( x[j], l = x[j] + iV.length ) ) ).parentNode.className = "selectedText";
41 for( x in ( e.appendChild( d.createTextNode( s.substr( l ) ) ), { click: 0, mouseover: 0 } ) )
42 addEventListener( e, x, function( e ){ o.handler.call( o, e ); } );
43 }, iV );
44 if( !c.childNodes.length )
45 return o.hide();
46 for( var x = i.offsetLeft, y = i.offsetTop + i.offsetHeight; i = i.offsetParent; x += i.offsetLeft, y += i.offsetTop );
47 ( cS.display = "block", cS.left = x + "px", cS.top = y + "px", !found && o.highlite( c.firstChild ) );
48 };
49 }
Example
1
2 <style type="text/css">
3 /*container da lista*/
4 .autocomplete{
5 cursor: pointer;
6 border: 1px solid
7 border-top: none;
8 background:
9 }
10 /*caracteres que combinaram*/
11 .autocomplete .selectedText{ font-weight: bold; color:
12 /*items não selecionados*/
13 .autocomplete .normal{ border-top: 1px solid
14 /*item selecionado*/
15 .autocomplete .highlited{ background:
16 </style>
17
18 <form action="">
19 <fieldset>
20 <legend>Preenchimento dinâmico</legend>
21 <label for="list" >Emails</label>
22 <input autocomplete="0" type="text" name="list" id="list" />
23 <br />
24 <label for="ip" >Lista de IPs</label>
25 <textarea name="ip" rows="3" cols="20" id="ip"></textarea>
26 <br />
27 </fieldset>
28 </form>
29
30 <script type="text/javascript">
31 //<![CDATA[
32
33 var list = [ "192.168.0.1", "192.168.0.2", "192.168.0.3", "192.168.1.1", "192.168.1.2", "192.168.1.3", "200.168.0.1", "200.168.0.2", "200.168.0.3", "200.168.1.1", "200.168.1.2", "200.168.1.3" ];
34 new IncrementalSearch( document.forms[0].ip, function( search ){
35 for( var i in list )
36 if( !list[i].indexOf( search ) )
37 this( list[i], 0 );
38 }, "autocomplete" );
39
40
41 var names = [ "João Alves <joao@123.com>", "Jonas Raoni Soares Silva <jonas@abc.com>", "Roberto <rob@net.net>", "Maria Fernanda <mariaf@i.tu>" ];
42
43 function retrieveNames( search ){
44 search = search.toLowerCase();
45 for( var i in names ){
46 if( search ){
47 for( var j = 0, indices = []; j = names[i].toLowerCase().indexOf( search, j ) + 1; indices[indices.length] = j - 1 );
48 this( names[i], indices, i );
49 }
50 else
51 this( names[i], 0, i );
52
53 }
54 }
55
56 x = new IncrementalSearch( document.forms[0].list, retrieveNames, "autocomplete" );
57
58
59 //]]>
60 </script>
